Question

33. In a class, 18 students took Physics, 23 students took Chemistry and 24 students took Mathematics
of these 13 took both Chemistry and mathematics, 12 took both Physics and Chemistry and 11 took
both Physics and Mathematics. If 6 students offered all the three subjects, find :
(i) The total number of students.
(ii) How many took Maths but not Chemistry.
(iii) How many took exactly one of the three subjects.​

Answer 1

Step-by-step explanation:

1. there are 65 students.

2.41 students don't took chemistry

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